<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>

  </style>
</head>

<body>
  <form action="https://www.baidu.com/s">
    <div><input name="wd" type="text" placeholder="请输入用户名"></div>
    <input type="password" placeholder="请输入密码" value="666666">
    <div><label>男<input type="radio" name="sex"></label>
      <label>女<input type="radio" name="sex"></label>
    </div>
    <div><label>篮球<input type="checkbox"></label></div>
    <input type="submit">
  </form>

</body>

</html>